Finding the Fourth Proportional to 2,323.56, 3,484.62 and 861.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.56 : 3,484.62 = 861.96 : x
2. Step 2: Convert to fraction form
   2,323.56/3,484.62 = 861.96/x
3. Step 3: Cross multiply
   2,323.56x = 3,484.62 × 861.96
4. Step 4: Simplify right side
   2,323.56x = 3,003,603.06
5. Step 5: Solve for x
   x = 3,003,603.06/2,323.56
6. Step 6: Final answer
   x = 1,292.67